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Finding the Fourth Proportional to 63,630.78, 95,446.14 and 19,256.52

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Solution

The fourth proportional to 63,630.78, 95,446.14 and 19,256.52 is: 28,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,630.78 : 95,446.14 = 19,256.52 : x
  2. Step 2: Convert to fraction form
    63,630.78/95,446.14 = 19,256.52/x
  3. Step 3: Cross multiply
    63,630.78x = 95,446.14 × 19,256.52
  4. Step 4: Simplify right side
    63,630.78x = 1,837,960,503.83
  5. Step 5: Solve for x
    x = 1,837,960,503.83/63,630.78
  6. Step 6: Final answer
    x = 28,884.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.